BMW F20 F21 F30 F31 F32 B48 Automatic Gearbox 8678682 8484646 GA8HP50Z WARRANTY

Listing details

The differential is sold with a 90-day warranty! It was tested before removal and is in full working order.

BMW F20 F21 F30 F31 F32 B48 Automatic Gearbox is a factory-original, used transmission from the Automatic gearboxes group, designed for installation in selected BMW F-series models. It offers precise, smooth gear shifting and a design optimized for both dynamic and comfortable driving.

Specifications and technical data

• SKU: 9487622
• Mark: BMW (Genuine OE)
• Condition: Used
• OEM Part Number: 8678682
• Substitutable numbers: 24009487622, 9487622, 24008693348, 24008744703, 24008670600, 24008662808, 24008659904, 24008678682, 24008673733, 24008665290, 24008484646, 24008678181, 24007544899, 24008650893, 8693348, 8744703, 8670600, 8662808, 8659904, 8678682, 8673733, 8665290, 8484646, 8678181, 7544899
• Gearbox type: Automatic
• Category: Automatic Transmission

Technical characteristics and intended use

The presented automatic gearbox has been designed specifically for the BMW F20, F21, F30, and F31 platforms, maintaining factory mounting points and drivetrain geometry. This ensures high repeatability of operating parameters and proper fitment with the vehicle's stock control systems and electronics.

The Automatic transmission type provides fully automated gear changes, which translates into convenience in urban traffic and stable torque transfer at higher speeds. The GA8HP50Z design is known for its efficient use of engine power, which promotes both dynamic driving and reasonable fuel consumption.

Compatibility and part identification

The GA8HP50Z automatic gearbox belongs to the group of original BMW components, which facilitates the selection of the correct unit for a specific vehicle configuration. The item features a dedicated OEM part number and a set of interchangeable numbers, allowing for precise verification of compatibility with a given car using manufacturer catalogs or professional parts selection tools.

Thanks to the presence of reference numbers, it is possible to efficiently compare this gearbox with other variants used in the F-series, which minimizes the risk of installing an incorrect component. This is particularly important for vehicles equipped with different engine versions and varying equipment configurations.

Benefits of using an original BMW automatic gearbox

Using an original automatic gearbox in a BMW F20, F21, F30, or F31 allows you to maintain the factory operating characteristics of the drivetrain. A properly selected transmission:

• maintains correct shift points, consistent with engine control unit maps,
• ensures predictable vehicle behavior in both comfort and dynamic modes,
• reduces the risk of improper interaction with safety systems and driving assistants.

For the user, this means stable drivetrain operation, good throttle response, and consistency in the operation of all vehicle systems. The original BMW design also facilitates easier diagnostics and servicing in specialized workshops.

Condition, installation, and practical application

The offered gearbox comes from the used parts segment, which represents a reasonable compromise between cost and functionality. For many users, this is an attractive alternative to purchasing a brand-new transmission or undergoing costly refurbishment, while maintaining the manufacturer's original specifications.

During installation, it is recommended to work with a workshop experienced in servicing BMW automatic transmissions, including oil changes, gearbox adaptation, and any necessary software updates. A correctly performed installation allows you to fully utilize the potential of this transmission and ensure stable long-term operation.

Technical support and additional information

If you are considering purchasing a used transmission and want to better understand the differences between refurbishment and replacement with a complete unit, it is worth checking out our guide: Used gearbox – when is it worth it and what you need to remember. The article discusses, among other things, compatibility issues, cost-effectiveness, and typical technical aspects related to choosing a gearbox.

If you are planning a comprehensive repair or upgrade of the drivetrain area in your BMW and need other elements from the same group, such as a torque converter, control elements, or additional transmission components, check out the available parts in the BMW automatic gearboxes category.